19091219

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 24272640

約数和(自身を除く): 5181421

約数列:

[1, 7, 19, 23, 79, 133, 161, 437, 553, 1501, 1817, 3059, 6241, 10507, 12719, 34523, 43687, 118579, 143543, 241661, 830053, 1004801, 2727317, 19091219]

約数ペア:

[(1, 19091219), (7, 2727317), (19, 1004801), (23, 830053), (79, 241661), (133, 143543), (161, 118579), (437, 43687), (553, 34523), (1501, 12719), (1817, 10507), (3059, 6241)]